With Li Jianjun, a policeman from the Anti-Fraud Center of the Municipal Public Security Bureau, and Wang Mengmeng, a young police officer, as the core, through the detection of a series of representative fraud cases, they systematically revealed the modus operandi, evolution trends and prevention points of various types of fraud, demonstrated the hardships and wisdom of the front-line anti-fraud police, and ultimately promoted the construction of a "national anti-fraud" social governance pattern.
